[6.2*10^5 ]-[2.6*10^4]-[1.9*10^2]

[6.2*10^5 ]-[2.6*10^4]-[1.9*10^2]

$\small{ \begin{array}{rcll} && 6.2\cdot 10^5 \\ &-& 2.6\cdot 10^4 \\ &-& 1.9\cdot 10^2 \\ && &=& 620000 - 26000 - 190\\ && &=& 593810 \\ && &=& 5.9381 \cdot 10^5 \end{array} }$